Контрольные задания

Вопрос:

Фото задания: 1a. Make the sentences negative. Use don't / doesn't / didn't / 'm not / isn't / aren't / wasn't / weren't.

Фото задания

1a. Make the sentences negative. Use don't / doesn't / didn't / 'm not / isn't / aren't / wasn't / weren't.

1. Mike became a teacher last year. Mike didn't become a teacher last year.